/*
 * Tencent is pleased to support the open source community by making BK-CI 蓝鲸持续集成平台 available.
 *
 * Copyright (C) 2019 Tencent.  All rights reserved.
 *
 * BK-CI 蓝鲸持续集成平台 is licensed under the MIT license.
 *
 * A copy of the MIT License is included in this file.
 *
 *
 * Terms of the MIT License:
 * ---------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of
 * the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 * LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
 * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.tencent.devops.common.expression.context

import com.fasterxml.jackson.databind.JsonNode
import com.fasterxml.jackson.databind.node.DoubleNode
import com.fasterxml.jackson.databind.node.IntNode
import com.fasterxml.jackson.databind.node.LongNode
import com.tencent.devops.common.expression.expression.sdk.INumber
import kotlin.math.floor

class NumberContextData(val value: Double) : PipelineContextData(PipelineContextDataType.NUMBER), INumber {
    override fun getNumber() = value

    override fun clone(): PipelineContextData = NumberContextData(value)

    override fun toJson(): JsonNode {
        if (value.isNaN() || value == Double.POSITIVE_INFINITY || value == Double.NEGATIVE_INFINITY) {
            return DoubleNode(value)
        }

        val floored = floor(value)
        return if (value == floored && value <= Int.MAX_VALUE && value >= Int.MIN_VALUE) {
            val flooredInt = floored.toInt()
            IntNode(flooredInt)
        } else if (value == floored && value <= Long.MAX_VALUE && value >= Long.MIN_VALUE) {
            val flooredInt = floored.toLong()
            LongNode(flooredInt)
        } else {
            DoubleNode(value)
        }
    }

    override fun fetchValue() = getNumber()
}
